<?php
function evenlyDivisible($n, $div){
	if($div == 1)
		return TRUE;
	if($n % $div == 0)
		return evenlyDivisible($n, $div - 1);
	else
		return FALSE;
}
$found = FALSE;
$number = 20;
while(!$found){
	if(evenlyDivisible($number, 20))
		$found = TRUE;
	else 
		$number ++;
}
echo $number;

?>